Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Sample noise with circular surface coils.

M D Harpen

    Medical Physics
    |July 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    This study presents a simple method to calculate effective sample resistance for nuclear magnetic resonance imaging of lossy materials using surface coils. This calculation aids in determining sample noise for improved imaging quality.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Partial wave analysis of the ultrasound comet tail artifact.

    Medical physics·2000
    Same author

    A simple theorem relating noise and patient dose in computed tomography.

    Medical physics·1999
    Same author

    ACR standard for luminance and illuminance. American College of Radiology.

    AJR. American journal of roentgenology·1999
    Same author

    A computer simulation of wavelet noise reduction in computed tomography.

    Medical physics·1999
    Same author

    An introduction to wavelet theory and application for the radiological physicist.

    Medical physics·1998
    Same author

    Dynamic magnetic resonance imaging in evaluating suspicious breast lesions: correlation with pathologic findings.

    Southern medical journal·1998

    Area of Science:

    • Physics
    • Engineering
    • Medical Imaging

    Background:

    • Nuclear Magnetic Resonance (NMR) imaging is a powerful diagnostic tool.
    • Surface coils are commonly used in NMR imaging for high-resolution data acquisition.
    • Imaging lossy media presents challenges due to signal attenuation and noise.

    Purpose of the Study:

    • To derive the effective sample resistance for NMR imaging systems using flat circular surface coils.
    • To provide a method for quantifying sample noise in lossy media imaging.
    • To facilitate improved image quality and data interpretation in NMR.

    Main Methods:

    • A straightforward derivation of the effective sample resistance was performed.
    • The derivation specifically addresses the use of flat circular surface coils.

    Related Experiment Videos

  • The method of Hoult and Lauterbur was employed for sample noise determination.

    • Main Results:

    • An effective sample resistance value was successfully derived.
    • The derived resistance is directly applicable to input amplifiers of NMR imagers.
    • The method allows for the quantitative assessment of sample noise.

    Conclusions:

    • The derived effective sample resistance is a key parameter for understanding noise in NMR imaging of lossy media.
    • This work simplifies the process of noise assessment, enabling more accurate imaging.
    • The findings contribute to the optimization of NMR imaging techniques for challenging samples.